Appendix B: Counties in Definitions of “Region”

County	Southwestern PA Commission	DEP Southwest Region	Department of Health Southwest District
Allegheny	x	x	x
Armstrong	x	x	x
Beaver	x	x	x
Butler	x		x
Cambria		x	x
Fayette	x	x	x
Greene	x	x	x
Indiana	x	x	x
Lawrence	x
Somerset		x	x
Washington	x	x	x
Westmoreland	x	x	x

Sources: http://www.spcregion.org, http://www.dep.state.pa.us, http://dsf.health.state.pa.us